document.write( "Question 34184: Consider the parabola: y=x^2-6x+5
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document.write( "Complete the Square
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document.write( "Give the Vertex
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document.write( "Give the x- and y-intercepts
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document.write( "Graph the parabola\r
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document.write( "Could someone please help me with this problem? Thank you so very much. \n" );
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Algebra.Com's Answer #20489 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! SEE THE FOLLOWING AND TRY \n" ); document.write( " \n" ); document.write( "Equations/30056: I need to determine the following for these two problems :HOW MANY X-INTERCEPTS THE PARABOLA HAS, and WHETER ITS VERTEX LIES ABOVE OR BELOW OR ON THE X-AXIS. \n" ); document.write( "1.problem \n" ); document.write( "y=x^2-5x+6 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "2.problem \n" ); document.write( "y=-x^2+2x-1 \n" ); document.write( "1 solutions \n" ); document.write( "Answer 16805 by venugopalramana(1167) About Me on 2006-03-13 10:41:52 (Show Source): \n" ); document.write( "I need to determine the following for these two problems :HOW MANY X-INTERCEPTS THE PARABOLA HAS, and WHETER ITS VERTEX LIES ABOVE OR BELOW OR ON THE X-AXIS. \n" ); document.write( "1.problem \n" ); document.write( "y=x^2-5x+6 \n" ); document.write( "PUT Y=0 AND SOLVE FOR X TO GET X INTERCEPTS. \n" ); document.write( "X^2-5X+6=0=X^2-2X-3X+6=0=X(X-2)-3(X-2)=0=(X-2)(X-3)=0....X=2 AND 3... \n" ); document.write( "SO THE X INTERCEPTS ARE AT X = 2 AND X = 3 \n" ); document.write( "Y=X^2-5X+6={X^2-2*X*5/2+(5/2)^2}-(5/2)^2+6 =(X-2.5)^2 - 0.25 \n" ); document.write( "SO THE VERTEX IS AT X=2.5 AND Y=-0.25...THAT IS BELOW X AXIS \n" ); document.write( "2.problem \n" ); document.write( "y=-x^2+2x-1 \n" ); document.write( "DOING THE SAME WAY WE GET \n" ); document.write( "Y=-(X-1)^2=0 AND HENCE \n" ); document.write( "X INTERCEPTS ARE X=1 \n" ); document.write( "AND VERTEX IS AT X=1 AND Y=0 SO THE VERTEX IS ON THE X AXIS. \n" ); document.write( " \n" ); document.write( "Coordinate-system/29860: I am working with parabolas. For this problem I need to \n" ); document.write( "Complete the square \n" ); document.write( "Give the Vertex \n" ); document.write( "Give the Axis \n" ); document.write( "Give the x-intercepts \n" ); document.write( "Give the y-intercepts \n" ); document.write( "Give a point symmetric to the y-intercept \n" ); document.write( "Draw the graph \n" ); document.write( "The problem is y=x^2-2x-3. \n" ); document.write( "Can anyone help me solve this. I am working on it and would like to have something to check my answer with. \n" ); document.write( "1 solutions \n" ); document.write( "Answer 16624 by venugopalramana(1167) About Me on 2006-03-11 07:58:25 (Show Source): \n" ); document.write( "SEE THE FOLLOWING EXAMPLE WHICH IS ALMOST SAME AS YOUR PROBLEM AND TRY.IF STILL IN DIFFICULTY PLEASE COME BACK. \n" ); document.write( "Y=X^2-2X-3=X^2-2*X*1+1^2-1-3=(X-1)^2-1-3=(X-1)^2-4=0 \n" ); document.write( "X INTERCEPT IS OBTAINED BY PUTTING Y=0....WE GET \n" ); document.write( "X^2-2X-3=0=X^2-3X+X-3=X(X-3)+1(X-3)=(X-3)(X+1)=0...SO..X=3 OR -1... \n" ); document.write( "Y INTERCEPT IS GOT BY PUTTING X =0...WE GET \n" ); document.write( "Y=0-0-3=-3 \n" ); document.write( "SEE THE GRAPH BELOW ...... \n" ); document.write( "graph( 500, 500, -10, 20, -20, 20,x^2-2x-3 ) \n" ); document.write( "THE AXIS IS X=1 AS YOU CAN SEE FROM THE GRAPH \n" ); document.write( "ONE POINT SYMMETRIC TO Y INTERCEPT??NO...SYMMETRIC TO AXIS IT IS......(-1,3) \n" ); document.write( "****************************************************************************** \n" ); document.write( "I have to put this equation y=x^2-2x-15 into this form y=a(x-h)^2+k. \n" ); document.write( "MAKE A PERFECT SQUARE USING X^2 AND X TERMS.ADD AND SUBTRACT THE REQUIRED CONSTANT FOR THE PURPOSE. \n" ); document.write( "Y=(X-1)^2-1-15=(X-1)^2-16...COMPARING WITH THE ABOVE \n" ); document.write( "y=a(x-h)^2+k. \n" ); document.write( "WE GET A=1 AND K=-16 \n" ); document.write( "I have to find the line of symmetry. \n" ); document.write( "X-1=0 IS THE LINE OF SYMMETRY SINCE ON EITHER SIDE OF X=1,WE GET SYMMETRIC/SAME VALUES FOR Y..AT X=1+2=3..Y IS -12 AND AT X=1-2=-1 ALSO WE GET Y=-12 \n" ); document.write( "(h,k)=vertex I think you use complete the square technique. \n" ); document.write( "YA ..THE VERTEX AS YOU SHOULD KNOW NOW IS AT X=1 AND AT X=1 ,Y=-16 .SO (1,-16) IS THE VERTEX \n" ); document.write( "THE GRAPH WILL LOOK LIKE THIS \n" ); document.write( "graph( 500, 500, -10, 20, -20, 20, x^2-2x-15 ) \n" ); document.write( "Please help. thanks \n" ); document.write( " |